Udayan uiga igoa sili: Fiafia, Foafoa, Po nei, Gauai, Matuia. Aumai Udayan uiga o le suafa.
Sinha uiga faaiu sili: Gauai, Laki, Toaga, Agavaa, Volatile. Aumai Sinha uiga o faaiu.
Faʻaiu Sinha taatele i Initia. Aumai Sinha faaiu faasalalauina.
Surnames taatele ma igoa Udayan: Udayan, Dutta Mustafi, Sinha, Roy, Kumar. Aumai Lisi o surnames ma igoa Udayan.
O le tele o igoa tutusa ai ma faaiu Sinha: Manisha, Rudransh, Subir, Malvika, Tanya. Aumai Igoa e aumai faatasi Sinha.
Ogatasi o Udayan ma Sinha o 78%. Aumai Ogatasi o Udayan ma Sinha.